/Absorbent Article With Laminate Bond Pattern
Abstract

An absorbent article includes a first and second waist region and a crotch region disposed between the first and second waist regions. The absorbent article includes a chassis having a topsheet, backsheet, and an absorbent core disposed between the topsheet and the backsheet. A laminate may be joined to the chassis. The laminate is an ultrasonically bonded laminate having a bond pattern. The bond pattern includes a plurality of discrete, primary ultrasonic bonds and a plurality of secondary ultrasonic bonds. The primary bonds may permanently attach the one or more layers of the laminate and the secondary bonds may releasably attach the one or more layers of the laminate. The releasable bond may release one or more layers of the laminate when the laminate is extended in the stretch direction.

Full Text

What is claimed is:

An absorbent article includes a first and second waist region and a crotch region disposed between the first and second waist regions. The absorbent article includes a chassis having a topsheet, backsheet, and an absorbent core disposed between the topsheet and the backsheet. A laminate may be joined to the chassis. The laminate is an ultrasonically bonded laminate having a bond pattern. The bond pattern includes a plurality of discrete, primary ultrasonic bonds and a plurality of secondary ultrasonic bonds. The primary bonds may permanently attach the one or more layers of the laminate and the secondary bonds may releasably attach the one or more layers of the laminate. The releasable bond may release one or more layers of the laminate when the laminate is extended in the stretch direction.
Timeline
Filed
06/11/2026
Published
10/01/2026
Granted
Not Available
IPC Codes(2)
A61F 13/49:specially adapted to be worn around the waist, e.g. diapers or nappies
A61F 13/51:characterised by the outer layers of the pads (takes precedence A61F 13/20)